summaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/gcore.exp
blob: 33fcba4810e47788e42e23335f653e7e53ca4024 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
# Copyright 2002, 2003, 2004 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# This file was written by Michael Snyder (msnyder@redhat.com)
# This is a test for the gdb command "generate-core-file".

if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

set testfile "gcore"
set srcfile  ${testfile}.c
set binfile  ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# Does this gdb support gcore?
send_gdb "help gcore\n"
gdb_expect {
    -re "Undefined command: .gcore.*$gdb_prompt $" {
	# gcore command not supported -- nothing to test here.
	unsupported "gdb does not support gcore on this target"
	return -1;
    }
    -re "Save a core file .*$gdb_prompt $" {
	pass "help gcore"
    }
    -re ".*$gdb_prompt $" {
	fail "help gcore"
    }
    timeout {
	fail "help gcore (timeout)"
    }
}

if { ! [ runto_main ] } then {
    gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
}

proc capture_command_output { command prefix } {
    global gdb_prompt
    global expect_out

    set output_string ""
    send_gdb "$command\n"
    gdb_expect {
	-re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
	    set output_string $expect_out(1,string)
	}
	default {
	    fail "capture_command_output failed on $command."
	}
    }
    return $output_string
}

gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
	"set breakpoint at terminal_func"

gdb_test "continue" "Breakpoint .* terminal_func.*" \
	"continue to terminal_func"

set print_prefix ".\[0123456789\]* = "

set pre_corefile_backtrace [capture_command_output "backtrace" ""]
set pre_corefile_regs [capture_command_output "info registers" ""]
set pre_corefile_allregs [capture_command_output "info all-reg" ""]
set pre_corefile_static_array \
	[capture_command_output "print static_array" "$print_prefix"]
set pre_corefile_uninit_array \
	[capture_command_output "print un_initialized_array" "$print_prefix"]
set pre_corefile_heap_string \
	[capture_command_output "print heap_string" "$print_prefix"]
set pre_corefile_local_array \
	[capture_command_output "print array_func::local_array" "$print_prefix"]
set pre_corefile_extern_array \
	[capture_command_output "print extern_array" "$print_prefix"]

set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]

gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
	"save a corefile" \
{
  -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
    pass "save a corefile"
    global core_supported
    set core_supported 1
  }
  -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
    unsupported "save a corefile"
    global core_supported
    set core_supported 0
  }
}

global core_supported
if {!$core_supported} {
  return -1
}

# Now restart gdb and load the corefile.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

send_gdb "core ${objdir}/${subdir}/gcore.test\n"
gdb_expect {
    -re ".* is not a core dump:.*$gdb_prompt $" {
	fail "re-load generated corefile (bad file format)"
	# No use proceeding from here.
	return;	
    }
    -re ".*: No such file or directory.*$gdb_prompt $" {
	fail "re-load generated corefile (file not found)"
	# No use proceeding from here.
	return;	
    }
    -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
	fail "re-load generated corefile (incomplete note section)"
    }
    -re "Core was generated by .*$gdb_prompt $" {
	pass "re-load generated corefile"
    }
    -re ".*$gdb_prompt $" {
	fail "re-load generated corefile"
    }
    timeout {
	fail "re-load generated corefile (timeout)"
    }
}

send_gdb "where\n"
gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
    ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
    ".*\[\r\n\]+#1 .* array_func \\(\\) at "
    ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
    ".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
    ".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
    ".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
    ".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
    ".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
    ".*\[\r\n\]+#8 .* main \\(.*\\) at "
}

set post_corefile_regs [capture_command_output "info registers" ""]
if ![string compare $pre_corefile_regs $post_corefile_regs] then {
    pass "corefile restored general registers"
} else {
    fail "corefile restored general registers"
}

set post_corefile_allregs [capture_command_output "info all-reg" ""]
if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
    pass "corefile restored all registers"
} else {
    fail "corefile restored all registers"
}

set post_corefile_extern_array \
	[capture_command_output "print extern_array" "$print_prefix"]
pass "extern_array = $post_corefile_extern_array"
if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
    pass "corefile restored extern array"
} else {
    fail "corefile restored extern array"
}

set post_corefile_static_array \
	[capture_command_output "print static_array" "$print_prefix"]
pass "static_array = $post_corefile_static_array"
if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
    pass "corefile restored static array"
} else {
    fail "corefile restored static array"
}

set post_corefile_uninit_array \
	[capture_command_output "print un_initialized_array" "$print_prefix"]
pass "uninit_array = $post_corefile_uninit_array"
if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
    pass "corefile restored un-initialized array"
} else {
    fail "corefile restored un-initialized array"
}

set post_corefile_heap_string \
	[capture_command_output "print heap_string" "$print_prefix"]
pass "heap_string = $post_corefile_heap_string"
if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
    pass "corefile restored heap array"
} else {
    fail "corefile restored heap array"
}

set post_corefile_local_array \
	[capture_command_output "print array_func::local_array" "$print_prefix"]
pass "local_array = $post_corefile_local_array"
if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
    pass "corefile restored stack array"
} else {
    fail "corefile restored stack array"
}

set post_corefile_backtrace [capture_command_output "backtrace" ""]
if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
    pass "corefile restored backtrace"
} else {
    fail "corefile restored backtrace"
}